题解 | #统计每种性别的人数#
统计每种性别的人数
https://www.nowcoder.com/practice/f04189f92f8d4f6fa0f383d413af7cb8
select
case
when right(profile,5) = ',male' then 'male'
when right(profile,7) = ',female'then 'female' end gender,
count(device_id) as number
from user_submit
group by gender;
case
when right(profile,5) = ',male' then 'male'
when right(profile,7) = ',female'then 'female' end gender,
count(device_id) as number
from user_submit
group by gender;
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